Sprinkler head



FIG. 1 is a perspective view of a sprinkler head showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side and right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for the “sprinkler head,” as shown and described. 